Justin Platz and Kevin Gleason, PubNub
Jul 8 2015
Tutorial showing how to combine Parse, the WebAudio API, and PubNub’s javascript SDK to allow users in multiple browsers to record simple music together in real time based on existing audio files.

Google Developers
Jul 12 2015
Dag-Inge Aas and Svein Willassen of the Appear.in team made this fun video with Google Developers about their experiences building native Android and iOS apps for WebRTC. They share the main API’s you need to research, and a link to a larger set of resources. This builds on some excellent blog posts that we have mentioned previously in RealTimeWeekly, and which you can find on the Appear.in blog.